Interactions médicamenteuses
Brigatinib + Norethisterone
Gravité: Majeure
Brigatinib and Norethisterone: major interaction.
Dernière mise à jour
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Résumé
Brigatinib may induce CYP3A4, which could lower norethisterone exposure and reduce contraceptive reliability. Breakthrough bleeding and unintended pregnancy are possible, which matters because brigatinib can harm the fetus.
Ce que signifie cette interaction, en termes simples
Brigatinib and Norethisterone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Brigatinib belongs to Oncology; Norethisterone belongs to Endocrine.
Pourquoi elle survient
Brigatinib induces CYP3A4 (shown in vitro), increasing the metabolism of norethisterone.
Conduite à tenir
Use an effective nonhormonal contraceptive method during brigatinib treatment and for at least 4 months after the last dose. Do not rely on norethisterone alone for contraception.
Questions à poser à votre pharmacien
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Autres interactions de Norethisterone
- Acitretin + Norethisterone Contre-indiquée
- Amobarbital + Norethisterone Majeure
- Apalutamide + Norethisterone Majeure
- Belzutifan + Norethisterone Majeure
- Bosentan + Norethisterone Majeure
- Carbamazepine + Norethisterone Majeure
Autres interactions de Brigatinib
- Amobarbital + Brigatinib Majeure
- Apalutamide + Brigatinib Majeure
- Brigatinib + Carbamazepine Majeure
- Brigatinib + Clarithromycin Majeure
- Brigatinib + Desogestrel-ethinyl estradiol Majeure
- Brigatinib + Efavirenz Majeure
Questions fréquentes
Can I take Brigatinib with Norethisterone?
MediHelp rates the interaction as major. Brigatinib and Norethisterone can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Brigatinib may induce CYP3A4, which could lower norethisterone exposure and reduce contraceptive reliability. Breakthrough bleeding and unintended pregnancy are possible, which matters because brigatinib can harm the fetus.
How serious is the interaction between Brigatinib and Norethisterone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an effective nonhormonal contraceptive method during brigatinib treatment and for at least 4 months after the last dose. Do not rely on norethisterone alone for contraception.
What other medicines interact with Norethisterone?
MediHelp also lists interactions of Norethisterone with, for example, Acitretin, Amobarbital, Apalutamide. The full list is on the Norethisterone page.
Monographies complètes, posologies et vérificateur d'interactions dans l'application MediHelp
Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.
